
The PowerVM driver was deprecated in November 2021 as part of change Icdef0a03c3c6f56b08ec9685c6958d6917bc88cb. As noted there, all indications suggest that this driver is no longer maintained and may be abandonware. It's been some time and there's still no activity here so it's time to abandon this for real. This isn't as tied into the codebase as the old XenAPI driver was, so removal is mostly a case of deleting large swathes of code. Lovely. Change-Id: Ibf4f36136f2c65adad64f75d665c00cf2de4b400 Signed-off-by: Stephen Finucane <sfinucan@redhat.com>
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Hypervisors
hypervisor-kvm hypervisor-qemu hypervisor-lxc hypervisor-vmware hypervisor-hyper-v hypervisor-virtuozzo hypervisor-zvm hypervisor-ironic
OpenStack Compute supports many hypervisors, which might make it
difficult for you to choose one. Most installations use only one
hypervisor. However, you can use ComputeFilter
and ImagePropertiesFilter
to schedule different
hypervisors within the same installation. The following links help you
choose a hypervisor. See /user/support-matrix
for a detailed list of features
and support across the hypervisors.
The following hypervisors are supported:
- KVM - Kernel-based Virtual Machine. The virtual disk formats that it supports is inherited from QEMU since it uses a modified QEMU program to launch the virtual machine. The supported formats include raw images, the qcow2, and VMware formats.
- LXC - Linux Containers (through libvirt), used to run Linux-based virtual machines.
- QEMU - Quick EMUlator, generally only used for development purposes.
- VMware vSphere 5.1.0 and newer - Runs VMware-based Linux and Windows images through a connection with a vCenter server.
- Hyper-V
- Server virtualization with Microsoft Hyper-V, use to run Windows,
Linux, and FreeBSD virtual machines. Runs
nova-compute
natively on the Windows virtualization platform. - Virtuozzo 7.0.0 and newer - OS Containers and Kernel-based Virtual Machines supported. The supported formats include ploop and qcow2 images.
- zVM - Server virtualization on z Systems and IBM LinuxONE, it can run Linux, z/OS and more.
- Ironic - OpenStack project which provisions bare metal (as opposed to virtual) machines.
Nova supports hypervisors via virt drivers. Nova has the following in tree virt drivers:
:oslo.config
compute_driver
=libvirt.LibvirtDriver
This driver runs on Linux and supports multiple hypervisor backends, which can be configured via the :oslo.config
libvirt.virt_type
config option.:oslo.config
compute_driver
=ironic.IronicDriver
:oslo.config
compute_driver
=vmwareapi.VMwareVCDriver
:oslo.config
compute_driver
=hyperv.HyperVDriver
:oslo.config
compute_driver
=zvm.ZVMDriver
:oslo.config
compute_driver
=fake.FakeDriver
This driver does not spawn any virtual machines and therefore should only be used during testing.